Technology

Wide Area Bonjour:
Service discovery in WLAN is currently the hot topic in industry. Currently, the Bonjour protocol can discover service only if they are local (within the sub-net).The local services are discovered  using mDNS.  How ever there is a need to discover services across the sub-nets. Some interesting read on these topics are:
  1. http://tools.ietf.org/id/draft-cheshire-dnsext-nbp-10.txt
  2. DNS-SD: http://tools.ietf.org/html/draft-cheshire-dnsext-dns-sd-11
  3. mDNS: http://tools.ietf.org/html/draft-cheshire-dnsext-multicastdns-15
  4. DNS service types:http://www.iana.org/assignments/service-names-port-numbers/service-names-port-numbers.xml